| require("import") -- the import fn |
| import("funcptr_cpp") -- import lib into global |
| fc=funcptr_cpp --alias |
| |
| -- catching undefined variables |
| local env = _ENV -- Lua 5.2 |
| if not env then env = getfenv () end -- Lua 5.1 |
| setmetatable(env, {__index=function (t,i) error("undefined global variable `"..i.."'",2) end}) |
| |
| assert(fc.addByValue(5,10) == 15) |
| -- These two won't work. Lua will successfully store the answer as userdata, but there is |
| -- no way of accessing the insides of userdata. |
| -- assert(fc.addByPointer(7, 9) == 16) |
| -- assert(fc.addByReference(8, 9) == 17) |
| |
| assert(fc.call1(fc.ADD_BY_VALUE, 5, 10) == 15) |
| assert(fc.call2(fc.ADD_BY_POINTER, 7, 9) == 16) |
| assert(fc.call3(fc.ADD_BY_REFERENCE, 8, 9) == 17) |
| assert(fc.call1(fc.ADD_BY_VALUE_C, 2, 3) == 5) |
